1. Black Mesa Achievements
  2. Gray Matter Propulsion achievement
Black Mesa

Black Mesa

1,077
50
4.42
Game action
Black Mesa
WildboyWiley

WildboyWiley

1,077
50
23 Jun 17
08 May 22
37h 46m
100%
WildboyWiley

Gray Matter Propulsion achievement in Black Mesa

Gray Matter Propulsion

Headshot 20 enemies with the .357 magnum.

Gray Matter Propulsion0
23 June 2017
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